This Is America’s Dirtiest City

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45. Modesto, California
> LawnStarter score: 37.3 (tie)
> Resident satisfaction with city cleanliness: #10 worst out of 200 cities
> Avg daily PM2.5 (county): 12.6 micrograms per cubic meter
> Population: 212,616

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44. Santa Ana, California
> LawnStarter score: 37.6
> Resident satisfaction with city cleanliness: #35 worst out of 200 cities
> Avg daily PM2.5 (county): 9.4 micrograms per cubic meter
> Population: 332,794

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43. Stockton, California
> LawnStarter score: 38.5
> Resident satisfaction with city cleanliness: #5 worst out of 200 cities
> Avg daily PM2.5 (county): 14.1 micrograms per cubic meter
> Population: 309,228

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42. Philadelphia, Pennsylvania
> LawnStarter score: 38.8
> Resident satisfaction with city cleanliness: #19 worst out of 200 cities
> Avg daily PM2.5 (county): 10.5 micrograms per cubic meter
> Population: 1,579,075

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41. Pomona, California
> LawnStarter score: 38.9 (tie)
> Resident satisfaction with city cleanliness: #156 worst out of 200 cities
> Avg daily PM2.5 (county): 12 micrograms per cubic meter
> Population: 152,209